Grouting Cabin Structure of a Grouted Connection in a Foundation of an Offshore Wind Turbine Generator

A grouting cabin structure of a grouted connection for use in a foundation of an offshore wind turbine generator, the structure comprising:

• a pile;
• a sleeve which is coaxial with said pile and installed outside said pile;
• and
• a first grouting exhaust port and a first connection port for a grouting pipe provided at an upper part and a lower part of said sleeve, respectively;
• wherein an enclosed cabin of a barrel form is arranged in a gap between said pile and said sleeve and is concentric and coaxial with them;
• wherein said enclosed cabin is formed by an internal wall of said cabin and said sleeve;
• wherein a second connection port for the grouting pipe and a second grouting exhaust port are provided at a lower and an upper part of said enclosed cabin, respectively;
• and
• wherein a gap between said internal wall of said cabin and an external wall of said pile forms a first grouting space and a gap between said internal wall of said cabin and said sleeve forms a second grouting space.